scouter.util.BytesUtil Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package scouter.util;
public class BytesUtil {
public static byte getByte(byte[] data, int x) {
if (data == null || data.length <= x)
return 0;
else
return data[x];
}
public static int getLength(byte[] data) {
return data==null?0:data.length;
}
public static byte[] merge(byte[] b1, byte[] b2) {
byte[] buff = new byte[b1.length + b2.length];
System.arraycopy(b1, 0, buff, 0, b1.length);
System.arraycopy(b2, 0, buff, b1.length,b2.length);
return buff;
}
}